Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ddb19c121255871…

MALICIOUS

PDF

108.7 KB Created: 2021-03-24 01:50:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73d20c7da02d95ae1377e105e5338cdc SHA-1: 702693636e684a07af41cf7e0bb5cd16f484a41a SHA-256: 1ddb19c1212558719b90458697bf3a726639b8b287bd7030ad1b1d8b57114b92
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it contains an advance-fee scam lure, common in phishing campaigns. The document body and extracted URLs suggest a phishing attempt related to product setup or potentially fraudulent claims, directing users to external sites for further interaction.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://soxebez.ru/wix?keyword=linksys+ac1200+range+extender+setup
    • http://poxumanavofeboz.scienceontheweb.net/vedic_astrology_star_sign_dates.pdf
    • http://wokizunapajunez.iblogger.org/tvoj_sin_huckleberry_finn_download.pdf
    • http://mexawolin.medianewsonline.com/antibiotic_resistance_review.pdf
    • https://cdn-cms.f-static.net/uploads/4383687/normal_60313dc41a330.pdf
    • http://fesadivu.iblogger.org/dubetexorobanunutixofi.pdf
    • http://sevibifodome.getenjoyment.net/how_do_i_program_my_directv_remote_to_my_denon_receiver.pdf
    • http://gexomafe.mypressonline.com/rca_tablet_dvd_combo_car_charger.pdf
    • https://cdn-cms.f-static.net/uploads/4383470/normal_6054f5ca72087.pdf
    • https://static.s123-cdn-static.com/uploads/4458833/normal_5febe7701f987.pdf
    • http://fanisore.sportsontheweb.net/52015899908.pdf
    • http://nogurufegu.mygamesonline.org/abdominal_exercises_chart.pdf
    • https://cdn-cms.f-static.net/uploads/4474723/normal_601daf480d9bf.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fulisawuxulinis.rf.gd/wugijetiketijuganesusa.pdf
    • http://junaken.onlinewebshop.net/presentation_skills_file.pdf
    • http://bosirizowu.rf.gd/gogenopawepevumogovibusuw.pdf
    • http://jawegoxizifiti.epizy.com/laravel_boilerplate_template.pdf
    • http://dijemawijopetu.epizy.com/94285744725.pdf
    • http://pujumek.myartsonline.com/basic_html_programming_tutorial.pdf
    • https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_e90a252ffa7e4540bc16f5b6f2fcecae.pdf?index=true
    • https://b5c90759-dbf8-4ccd-b12d-e23c958527f9.filesusr.com/ugd/915a55_11f9f2b16ec745819422f3e6f80726ef.pdf?index=true
    • https://b27aca93-056c-4dd2-83a6-fd909c9f709d.filesusr.com/ugd/2ba3ac_736e118ebc4242d2862b97165736d94a.pdf?index=true
    • http://konapawejiwevin.epizy.com/jixiliwewifon.pdf
    • http://naxepatixotilu.rf.gd/96055942626.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00016918.bin
bd1f3bd4823db87129dfc4840a4807428836df1e7d7a9e4dfaca87fb7d672446		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16918 5708 bytes
font_01_sfnt_off00017cb4.bin
956fcd563d6099a9a42becce8ce4d6557a1f3e6dc50a0c413afdef357ce053ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17CB4 11840 bytes

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